Question
A major department store has determined that its customers charge an average of $500 per month, with a standard deviation of $80. Assume the amounts
A major department store has determined that its customers charge an average of $500 per month, with a standard deviation of $80. Assume the amounts of charges are normally distributed.
a. What percentage of customers charges more than $380 per month?
b. What percentage of customers charges less than $340 per month?
c. What percentage of customers charges between $644 and $700 per month?
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Operations Management
Authors: William J Stevenson
12th edition
2900078024107, 78024102, 978-0078024108
